Home / 21,712.40-32,479.44-17,338.40

Finding the Fourth Proportional to 21,712.40, 32,479.44 and 17,338.40

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Solution

The fourth proportional to 21,712.40, 32,479.44 and 17,338.40 is: 25,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712.40 : 32,479.44 = 17,338.40 : x
  2. Step 2: Convert to fraction form
    21,712.40/32,479.44 = 17,338.40/x
  3. Step 3: Cross multiply
    21,712.40x = 32,479.44 × 17,338.40
  4. Step 4: Simplify right side
    21,712.40x = 563,141,522.50
  5. Step 5: Solve for x
    x = 563,141,522.50/21,712.40
  6. Step 6: Final answer
    x = 25,936.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.